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First Search for Axion-Like Particles in a Storage Ring Using a Polarized Deuteron Beam by Karanth, Swathi; Stephenson, Edward J.; Chang, Seung Pyo; Hejny, Volker; Pretz, Jörg; Semertzidis, Yannis K.; Wirzba, Andreas; Wrońska, Aleksandra; Abusaif, Falastine; Aksentev, A.; Alberdi, Benat; Aggarwal, Anjali; Andres, Achim; Barion, Luca; Bekman, Ilja; Beyss, M.; Böhme, Christian; Breitkreutz, B.; von Byern, C.; Canale, Nicola; Ciullo, Guiseppe; Dymov, Sergey; Fröhlich, Nils-Oliver; Gebel, Ralf; Grigoryev, Kirill; Grzonka, Dieter; Hetzel, Jan; Javakhishvili, Otari; Jeong, Hoyong; Kacharava, Andro; Kamerdzhiev, Vsevolod; Keshelashvili, Irakli; Kononov, A.; Laihem, Karim; Lehrach, Andreas; Lenisa, Paolo; Lomidze, Nodar; Lorantz, Bernd; Magiera, Andrzej; Mchedlishvili, David; Müller, Fabian; Nass, Alexander; Nikolaev, Nikolay N.; Park, Seongtae; Pesce, Andrea; Ponzca, Vera; Prasuhn, Dieter; Rathmann, Frank; Saddique, Saad; Saleev, Artem; Shurkno, N.; Shergelaskvili, Dito; Shmakova, Vera; Slim, Jamal; Soltner, Helmut; Stassen, Rolf; Ströher, Hans; Tabidze, Mirian; Tagliente, Giuseppe; Valdau, Yuri; Vitz, Maximilian; Wagner, Tim; Wüstner, Peter is a scholarly article available to read on EtoBox.

What is First Search for Axion-Like Particles in a Storage Ring Using a Polarized Deuteron Beam about?

Based on the notion that the local dark-matter field of axions or axion-like particles (ALPs) in our Galaxy induces oscillating couplings to the spins of nucleons and nuclei (via the electric dipole moment of the latter and/or the paramagnetic axion-wind effect), we establish the feasibility of a new method to search for ALPs in storage rings. Based on previous work that allows us to maintain the in-plane polarization of a stored deuteron beam for a few hundred seconds, we performed a first proof-of-principle experiment at the Cooler Synchrotron COSY to scan momenta near 970 MeV/c. This entailed a scan of the spin precession frequency. At resonance between the spin precession frequency of deuterons and the ALP-induced EDM oscillation frequency there will be an accumulation of the polarization component out of the ring plane. Since the axion frequency is unknown, the momentum of the beam and consequently the spin precession frequency were ramped to search for a vertical polarization change that would occur when the resonance is crossed. At COSY, four beam bunches with different polarization directions were used to make sure that no resonance was missed because of the unknown relativ

Author

Karanth, Swathi; Stephenson, Edward J.; Chang, Seung Pyo; Hejny, Volker; Pretz, Jörg; Semertzidis, Yannis K.; Wirzba, Andreas; Wrońska, Aleksandra; Abusaif, Falastine; Aksentev, A.; Alberdi, Benat; Aggarwal, Anjali; Andres, Achim; Barion, Luca; Bekman, Ilja; Beyss, M.; Böhme, Christian; Breitkreutz, B.; von Byern, C.; Canale, Nicola; Ciullo, Guiseppe; Dymov, Sergey; Fröhlich, Nils-Oliver; Gebel, Ralf; Grigoryev, Kirill; Grzonka, Dieter; Hetzel, Jan; Javakhishvili, Otari; Jeong, Hoyong; Kacharava, Andro; Kamerdzhiev, Vsevolod; Keshelashvili, Irakli; Kononov, A.; Laihem, Karim; Lehrach, Andreas; Lenisa, Paolo; Lomidze, Nodar; Lorantz, Bernd; Magiera, Andrzej; Mchedlishvili, David; Müller, Fabian; Nass, Alexander; Nikolaev, Nikolay N.; Park, Seongtae; Pesce, Andrea; Ponzca, Vera; Prasuhn, Dieter; Rathmann, Frank; Saddique, Saad; Saleev, Artem; Shurkno, N.; Shergelaskvili, Dito; Shmakova, Vera; Slim, Jamal; Soltner, Helmut; Stassen, Rolf; Ströher, Hans; Tabidze, Mirian; Tagliente, Giuseppe; Valdau, Yuri; Vitz, Maximilian; Wagner, Tim; Wüstner, Peter

Published

2022

Language

EN